Disable Cors Chrome Review

Under standard operation, Chrome enforces the . If your frontend ( localhost:3000 ) tries to fetch() data from an API ( localhost:5000 ), Chrome requires the API to explicitly allow this via Access-Control-Allow-Origin headers.

| Method | Use Case | Safety Level | | :--- | :--- | :--- | | | Quick ad-hoc testing, viewing a static site that fetches broken APIs. | Low (Unsafe). Only use on a dedicated dummy profile. | | Browser Extension | Frontend developers testing against an API they don't control. | Medium . Good if configured per-domain. | | Local Proxy | Professional development environment. | High . Mimics production infrastructure. | | Server-Side Fix | If you own the API server. | Best . Fix the root cause. | disable cors chrome

You will notice the --user-data-dir argument. This is mandatory for a reason: Chrome does not allow you to disable web security on your main user profile (to prevent you from accidentally surfing the web unsafely with your saved passwords and cookies). Under standard operation, Chrome enforces the

Before reaching for --disable-web-security , consider these better approaches: | Low (Unsafe)

export default server: proxy: '/api': target: 'https://external-api.com', changeOrigin: true, rewrite: (path) => path.replace(/^\/api/, '')